A half-wave vacuum rectifier assigned a military designation or "pattern" number by the British Navy. This type of tube was also referred to as a CV1266 or a NU13A ...

Everyone loves a full-wave bridge rectifier, but there’s no denying that they aren’t 100% efficient due to the diode voltage drop. Which isn’t to say that with some effort we cannot create an ideal ...

A 7-pin glass base with tipped T-shaped envelope. Stamped on envelope: "45Z3" and "Raytheon". Donor’s card reads: “Half-wave vacuum rectifier made by Raytheon Corporation. Used in the power supply of ...